10289234 Hydraulic Pump Assembly for Liebherr L544, L550, L554, L556

The SPARKLING MACHINERY NEW 10289234 Pump Assy Photo:

Why Choose the SPARKLING 10289234 Pump Assy?

• • • • • • • • • • • • • • • • • • • • •    - Hydrostatic Efficiency: Optimized for Liebherr's famous hydrostatic drive system, offering seamless power transitions and reduced fuel consumption.

                                        •    - Robust Load-Sensing Design: Features advanced control valves that adjust output based on real-time hydraulic demand, reducing engine drag and heat buildup.

                                        •    - High-Strength Piston Groups: Internal components are treated to resist wear from metallic particles and thermal fatigue.

                                        •    - OEM Specification Fit: Direct replacement for the original Liebherr 10289234 unit, ensuring all bolt patterns, spline counts, and port locations align perfectly.

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Compatible Liebherr Wheel Loaders

This pump assembly is the primary unit for the following 15-20 ton loader platforms:

Q&A Section

Q1: Is the 10289234 a travel pump or a work hydraulic pump?

A: Depending on the specific machine configuration, the 10289234 can serve as the main travel pump in the hydrostatic circuit. However, it is always recommended to verify your machine’s hydraulic schematic against the part number to ensure it matches the specific function you are replacing.

Q2: What is the most common cause of failure for Liebherr 10-series pumps?

A: Cavitation (often caused by clogged suction filters or air leaks in the intake line) and hydraulic fluid contamination are the leading causes. If your machine is showing slow cycle times or a "whining" noise, check your hydraulic tank levels and filters immediately.

Q3: Do I need to calibrate the pump after installation?

A: Yes. Liebherr machines are highly integrated with electronic controllers. After installing a new 10289234, a professional technician should check the high-pressure relief settings and pump "standby" pressures to ensure the machine operates safely and efficiently.

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   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

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